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445306132 = 22731525021
BaseRepresentation
bin11010100010101…
…101010100010100
31011000220220011201
4122202231110110
51402444244012
6112104242244
714015016415
oct3242552424
91130826151
10445306132
112094000a7
12105170384
137134536b
14431d980c
1529162857
hex1a8ad514

445306132 has 12 divisors (see below), whose sum is σ = 789961396. Its totient is φ = 219602880.

The previous prime is 445306129. The next prime is 445306133. The reversal of 445306132 is 231603544.

It can be written as a sum of positive squares in 2 ways, for example, as 109537156 + 335768976 = 10466^2 + 18324^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 445306132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445306133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762219 + ... + 762802.

Almost surely, 2445306132 is an apocalyptic number.

It is an amenable number.

445306132 is a deficient number, since it is larger than the sum of its proper divisors (344655264).

445306132 is a wasteful number, since it uses less digits than its factorization.

445306132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525098 (or 1525096 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 445306132 is about 21102.2778865221. The cubic root of 445306132 is about 763.6357029868.

Adding to 445306132 its reverse (231603544), we get a palindrome (676909676).

The spelling of 445306132 in words is "four hundred forty-five million, three hundred six thousand, one hundred thirty-two".

Divisors: 1 2 4 73 146 292 1525021 3050042 6100084 111326533 222653066 445306132